A second-degree polynomial equation was estimated using Excel to fit the data
between the actual number of fruits/plot and predicted by the fruit counting algorithm
based on number of fruits in a plot. The R2 Value for the regression analysis was 0.46.
Nfults-plxels = -0.1 82( 1Yfults-plxels 2 + 39.52 Ihrfults-plxels 369.62
where 2~fults-plxels = number of fruits estimated using citrus pixels/plot counted by the
fruit counting algorithm.
3000
2500
2 2000
v,1500
2U 1000
500
0
R2 = 0.46
0.0 20.0 40.0 60.0 80.0 100.0 120.0
Fruits/plot estimated based on fruits/plot using citrus pixels/plot
Figure 4-15. Regression analysis between NA and mefuls-plxels.
140.0
4.6 Yield Prediction Model
A yield prediction model was developed using u~,,tts-ptxls Variable. This variable
was preferred because it used the average size of the fruit in the estimation of number of